Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
9th Edition
ISBN: 9781305932302
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 45, Problem 43P

(a)

To determine

The half thickness of the steel.

(b)

To determine

The percentage of intensity change.

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In a diagnostic x-ray procedure, 5.25×1010 photons are absorbed by tissue with a mass of 0.590 kg. The x-ray wavelength is 2.00×10−2 nm. A) What is the total energy absorbed by the tissue? Express your answer in millijoules.   B) What is the equivalent dose in rem? Express your answer in rem.
During an X-ray examination, a person is exposed to radiation at a rate of 2.80×10-5 grays per second. The exposure time is 0.140 s, and the mass of the exposed tissue is 1.60 kg. Determine the energy absorbed.
During X-ray diagnostics, lead aprons made of a thin layer of lead are used in order to protect against the harmful effects of X-ray radiation. Determine, by what factor is the intensity of X-ray radiation reduced after passing the apron of thickness 0.5 mm. The mass attenuation coefficient for a radiation source with an energy of 140 keV is μm = 2 cm²/g. Density of lead ρ = 11.35 g/cm³

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Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term

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